National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Partly Cloudy

50°F

10°C

Humidity 23%
Wind Speed SW 16 G 21 mph
Barometer 30.34 in (1027.8 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 29 Mar 3:55 pm EDT
Extended Forecast for

New Castle NH

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Southwest wind around 5 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 60. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. Southwest wind around 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain after 7am. Mostly cloudy, with a high near 52. East wind around 5 mph.

    High: 52 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 38. Northeast wind 5 to 10 mph becoming south after midnight.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before 11am, then showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely before 7pm, then a chance of rain after 7pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 41.

    High: 41 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain and snow likely, mainly after 1am. Cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 35. Southwest wind around 5 mph.
Monday
Partly sunny, with a high near 60. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 41. Southwest wind around 5 mph.
Tuesday
A 50 percent chance of rain after 7am. Mostly cloudy, with a high near 52. East wind around 5 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38. Northeast wind 5 to 10 mph becoming south after midnight.
Wednesday
A chance of rain before 11am, then showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Wednesday Night
Showers likely before 7pm, then a chance of rain after 7pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 41.
Thursday Night
Rain and snow likely, mainly after 1am. Cloudy, with a low around 32. Chance of precipitation is 60%.
Friday
Rain likely. Cloudy, with a high near 42. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of rain. Cloudy, with a low around 33.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 45.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.05°N 70.75°W (Elev. 13 ft)
Last Update:
2:31 pm EDT Mar 29, 2026
Forecast Valid:
4pm EDT Mar 29, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation